Window sill



FIG. 1 is a top plan view of the window sill of the present invention;

FIG. 2 is a bottom plan view of the window sill of FIG. 1;

FIG. 3 is a left side elevational view of the window sill of FIG. 1;

FIG. 4 is a right side elevational view of the window sill of FIG. 1;

FIG. 5 is a front elevational view of the window sill of FIG. 1;

FIG. 6 is a rear elevational view of the window sill of FIG. 1; and,

FIG. 7 is an in use top, front, right side perspective view of the window sill of FIG. 1.

The broken lines showing of a window frame in FIG. 7 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a window sill, as shown and described. 